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Updated: Aug 8, 2026
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A Detailed Protocol for Characterizing the Murine C1498 Cell Line and its Associated Leukemia Mouse Model
Published on: October 14, 2016
[Chronic myelogenous leukemia with marked thrombocytosis]
1Department of Physiology, Osaka City University Medical School.
Summary
This case study highlights chronic myelogenous leukemia (CML) presenting with significant thrombocytosis. Effective interferon-alpha treatment demonstrated a marked reduction in Philadelphia chromosome-positive cells.
Area of Science:
- Hematology
- Oncology
- Molecular Biology
Background:
- Chronic myelogenous leukemia (CML) is a myeloproliferative neoplasm characterized by the Philadelphia chromosome.
- Typical CML presentation involves leukocytosis, immature myeloid cells, and hepatosplenomegaly.
Observation:
- A 68-year-old woman presented with marked thrombocytosis (> 200 x 10(4)/microliter).
- She had a slightly elevated leukocyte count, no immature myeloid cells, and no hepatosplenomegaly.
- Karyotype analysis and FISH confirmed the Philadelphia chromosome (Ph).
Findings:
- RT-PCR detected the bcr-abl transcript with a breakpoint in the major bcr.
- Interferon-alpha therapy was effective, decreasing Ph-positive cells from 56% to 7% over 21 months.
Implications:
- This atypical CML case with marked thrombocytosis expands understanding of CML heterogeneity.
- Studying such cases offers insights into CML pathogenesis and potential therapeutic targets.
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